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path: root/src/pkg/runtime/sys_freebsd_386.s
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Diffstat (limited to 'src/pkg/runtime/sys_freebsd_386.s')
-rw-r--r--src/pkg/runtime/sys_freebsd_386.s92
1 files changed, 62 insertions, 30 deletions
diff --git a/src/pkg/runtime/sys_freebsd_386.s b/src/pkg/runtime/sys_freebsd_386.s
index d960663cb..8b4d2317d 100644
--- a/src/pkg/runtime/sys_freebsd_386.s
+++ b/src/pkg/runtime/sys_freebsd_386.s
@@ -7,18 +7,19 @@
//
#include "zasm_GOOS_GOARCH.h"
+#include "../../cmd/ld/textflag.h"
-TEXT runtime·sys_umtx_op(SB),7,$-4
+TEXT runtime·sys_umtx_op(SB),NOSPLIT,$-4
MOVL $454, AX
INT $0x80
RET
-TEXT runtime·thr_new(SB),7,$-4
+TEXT runtime·thr_new(SB),NOSPLIT,$-4
MOVL $455, AX
INT $0x80
RET
-TEXT runtime·thr_start(SB),7,$0
+TEXT runtime·thr_start(SB),NOSPLIT,$0
MOVL mm+0(FP), AX
MOVL m_g0(AX), BX
LEAL m_tls(AX), BP
@@ -43,45 +44,45 @@ TEXT runtime·thr_start(SB),7,$0
MOVL 0, AX // crash (not reached)
// Exit the entire program (like C exit)
-TEXT runtime·exit(SB),7,$-4
+TEXT runtime·exit(SB),NOSPLIT,$-4
MOVL $1, AX
INT $0x80
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·exit1(SB),7,$-4
+TEXT runtime·exit1(SB),NOSPLIT,$-4
MOVL $431, AX
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·open(SB),7,$-4
+TEXT runtime·open(SB),NOSPLIT,$-4
MOVL $5, AX
INT $0x80
RET
-TEXT runtime·close(SB),7,$-4
+TEXT runtime·close(SB),NOSPLIT,$-4
MOVL $6, AX
INT $0x80
RET
-TEXT runtime·read(SB),7,$-4
+TEXT runtime·read(SB),NOSPLIT,$-4
MOVL $3, AX
INT $0x80
RET
-TEXT runtime·write(SB),7,$-4
+TEXT runtime·write(SB),NOSPLIT,$-4
MOVL $4, AX
INT $0x80
RET
-TEXT runtime·getrlimit(SB),7,$-4
+TEXT runtime·getrlimit(SB),NOSPLIT,$-4
MOVL $194, AX
INT $0x80
RET
-TEXT runtime·raise(SB),7,$16
+TEXT runtime·raise(SB),NOSPLIT,$16
// thr_self(&8(SP))
LEAL 8(SP), AX
MOVL AX, 4(SP)
@@ -96,7 +97,7 @@ TEXT runtime·raise(SB),7,$16
INT $0x80
RET
-TEXT runtime·mmap(SB),7,$32
+TEXT runtime·mmap(SB),NOSPLIT,$32
LEAL arg0+0(FP), SI
LEAL 4(SP), DI
CLD
@@ -112,26 +113,26 @@ TEXT runtime·mmap(SB),7,$32
INT $0x80
RET
-TEXT runtime·munmap(SB),7,$-4
+TEXT runtime·munmap(SB),NOSPLIT,$-4
MOVL $73, AX
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·madvise(SB),7,$-4
+TEXT runtime·madvise(SB),NOSPLIT,$-4
MOVL $75, AX // madvise
INT $0x80
// ignore failure - maybe pages are locked
RET
-TEXT runtime·setitimer(SB), 7, $-4
+TEXT runtime·setitimer(SB), NOSPLIT, $-4
MOVL $83, AX
INT $0x80
RET
// func now() (sec int64, nsec int32)
-TEXT time·now(SB), 7, $32
+TEXT time·now(SB), NOSPLIT, $32
MOVL $232, AX
LEAL 12(SP), BX
MOVL $0, 4(SP)
@@ -148,7 +149,7 @@ TEXT time·now(SB), 7, $32
// int64 nanotime(void) so really
// void nanotime(int64 *nsec)
-TEXT runtime·nanotime(SB), 7, $32
+TEXT runtime·nanotime(SB), NOSPLIT, $32
MOVL $232, AX
LEAL 12(SP), BX
MOVL $0, 4(SP)
@@ -170,24 +171,25 @@ TEXT runtime·nanotime(SB), 7, $32
RET
-TEXT runtime·sigaction(SB),7,$-4
+TEXT runtime·sigaction(SB),NOSPLIT,$-4
MOVL $416, AX
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·sigtramp(SB),7,$44
+TEXT runtime·sigtramp(SB),NOSPLIT,$44
get_tls(CX)
// check that m exists
MOVL m(CX), BX
CMPL BX, $0
- JNE 5(PC)
+ JNE 6(PC)
MOVL signo+0(FP), BX
MOVL BX, 0(SP)
- CALL runtime·badsignal(SB)
- RET
+ MOVL $runtime·badsignal(SB), AX
+ CALL AX
+ JMP sigtramp_ret
// save g
MOVL g(CX), DI
@@ -212,7 +214,8 @@ TEXT runtime·sigtramp(SB),7,$44
get_tls(CX)
MOVL 20(SP), BX
MOVL BX, g(CX)
-
+
+sigtramp_ret:
// call sigreturn
MOVL context+8(FP), AX
MOVL $0, 0(SP) // syscall gap
@@ -222,14 +225,14 @@ TEXT runtime·sigtramp(SB),7,$44
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·sigaltstack(SB),7,$0
+TEXT runtime·sigaltstack(SB),NOSPLIT,$0
MOVL $53, AX
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·usleep(SB),7,$20
+TEXT runtime·usleep(SB),NOSPLIT,$20
MOVL $0, DX
MOVL usec+0(FP), AX
MOVL $1000000, CX
@@ -264,7 +267,7 @@ int i386_set_ldt(int, const union ldt_entry *, int);
*/
// setldt(int entry, int address, int limit)
-TEXT runtime·setldt(SB),7,$32
+TEXT runtime·setldt(SB),NOSPLIT,$32
MOVL address+4(FP), BX // aka base
// see comment in sys_linux_386.s; freebsd is similar
ADDL $0x8, BX
@@ -297,7 +300,7 @@ TEXT runtime·setldt(SB),7,$32
MOVW AX, GS
RET
-TEXT runtime·i386_set_ldt(SB),7,$16
+TEXT runtime·i386_set_ldt(SB),NOSPLIT,$16
LEAL args+0(FP), AX // 0(FP) == 4(SP) before SP got moved
MOVL $0, 0(SP) // syscall gap
MOVL $1, 4(SP)
@@ -309,7 +312,7 @@ TEXT runtime·i386_set_ldt(SB),7,$16
INT $3
RET
-TEXT runtime·sysctl(SB),7,$28
+TEXT runtime·sysctl(SB),NOSPLIT,$28
LEAL arg0+0(FP), SI
LEAL 4(SP), DI
CLD
@@ -327,12 +330,12 @@ TEXT runtime·sysctl(SB),7,$28
MOVL $0, AX
RET
-TEXT runtime·osyield(SB),7,$-4
+TEXT runtime·osyield(SB),NOSPLIT,$-4
MOVL $331, AX // sys_sched_yield
INT $0x80
RET
-TEXT runtime·sigprocmask(SB),7,$16
+TEXT runtime·sigprocmask(SB),NOSPLIT,$16
MOVL $0, 0(SP) // syscall gap
MOVL $3, 4(SP) // arg 1 - how (SIG_SETMASK)
MOVL args+0(FP), AX
@@ -345,4 +348,33 @@ TEXT runtime·sigprocmask(SB),7,$16
MOVL $0xf1, 0xf1 // crash
RET
+// int32 runtime·kqueue(void);
+TEXT runtime·kqueue(SB),NOSPLIT,$0
+ MOVL $362, AX
+ INT $0x80
+ JAE 2(PC)
+ NEGL AX
+ RET
+
+// int32 runtime·kevent(int kq, Kevent *changelist, int nchanges, Kevent *eventlist, int nevents, Timespec *timeout);
+TEXT runtime·kevent(SB),NOSPLIT,$0
+ MOVL $363, AX
+ INT $0x80
+ JAE 2(PC)
+ NEGL AX
+ RET
+
+// int32 runtime·closeonexec(int32 fd);
+TEXT runtime·closeonexec(SB),NOSPLIT,$32
+ MOVL $92, AX // fcntl
+ // 0(SP) is where the caller PC would be; kernel skips it
+ MOVL fd+0(FP), BX
+ MOVL BX, 4(SP) // fd
+ MOVL $2, 8(SP) // F_SETFD
+ MOVL $1, 12(SP) // FD_CLOEXEC
+ INT $0x80
+ JAE 2(PC)
+ NEGL AX
+ RET
+
GLOBL runtime·tlsoffset(SB),$4
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-09 20:34:53 +0000